Your system asks for reduced motion, so VFX-JS draws nothing. Demos on this site show plain HTML.
Type
PixelSortKey
effects/src/pixelsort.ts:273 ↗import type { PixelSortKey } from "@vfx-js/effects";type PixelSortKey = "luminance" | "r" | "g" | "b" | "hue" | "saturation"